feat: version stdin command (closes #402)

src/stdin/version.js

@@ -0,0 +1,17 @@
+const { StdinCommand } = require('@eartharoid/dbf');
+const { version } = require('../../package.json');
+const checkForUpdates = require('../lib/updates');
+
+module.exports = class extends StdinCommand {
+	constructor(client, options) {
+		super(client, {
+			...options,
+			id: 'version',
+		});
+	}
+
+	async run() {
+		this.client.log.info('Current version:', version);
+		checkForUpdates(this.client);
+	}
+};